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Internet Assigned Numbers Authority
Border Gateway Protocol (BGP) Extended Communities
Created
2005-08-15
Last Updated
2023-07-31
Available Formats
[IMG]
XML [IMG]
HTML [IMG]
Plain text
Registries included below
• BGP Transitive Extended Community Types
• BGP Non-Transitive Extended Community Types
• EVPN Extended Community Sub-Types
• Transitive Two-Octet AS-Specific Extended Community Sub-Types
• Non-Transitive Two-Octet AS-Specific Extended Community Sub-Types
• Transitive Four-Octet AS-Specific Extended Community Sub-Types
• Non-Transitive Four-Octet AS-Specific Extended Community Sub-Types
• Transitive IPv4-Address-Specific Extended Community Sub-Types
• Non-Transitive IPv4-Address-Specific Extended Community Sub-Types
• Transitive Opaque Extended Community Sub-Types
• Non-Transitive Opaque Extended Community Sub-Types
• Generic Transitive Extended Community Sub-Types
• Generic Transitive Extended Community Part 2 Sub-Types
• Generic Transitive Extended Community Part 3 Sub-Types
• Traffic Action Fields
• Transitive IPv6-Address-Specific Extended Community Types
• Non-Transitive IPv6-Address-Specific Extended Community Types
• Additional PMSI Tunnel Attribute Flags
• EVPN Layer 2 Attributes Control Flags
• E-Tree Flags
• Layer2 Info Extended Community Control Flags Bit Vector
• DF Alg
• DF Election Capabilities
• SFC Extended Community Sub-Types
• ARP/ND Extended Community Flags
• Multicast Flags Extended Community
BGP Transitive Extended Community Types
Reference
[RFC 7153][RFC 9184]
Note
This registry contains values of the high-order octet (the "Type"
field) of a Transitive Extended Community.
Available Formats
[IMG]
CSV
Range Registration Procedures Note
0x00-0x3f First Come First Served
0x80-0x82 First Come First Served see [RFC 9184]
0x83-0x8f Reserved for Experimental Use see [RFC 3692]
0x90-0xbf Standards Action
Type Value Name Reference Date
0x00 Transitive Two-Octet AS-Specific Extended Community (Sub-Types are defined in the [RFC 7153]
"Transitive Two-octet AS-Specific Extended Community Sub-Types" registry)
0x01 Transitive IPv4-Address-Specific Extended Community (Sub-Types are defined in the [RFC 7153]
"Transitive IPv4-Address-Specific Extended Community Sub-Types" registry)
0x02 Transitive Four-Octet AS-Specific Extended Community (Sub-Types are defined in the [RFC 7153]
"Transitive Four-octet AS-Specific Extended Community Sub-Types" registry)
0x03 Transitive Opaque Extended Community (Sub-Types are defined in the "Transitive [RFC 7153]
Opaque Extended Community Sub-Types" registry)
0x04 QoS Marking [Thomas_Martin_Knoll] 2008-12-30
0x05 CoS Capability [Thomas_Martin_Knoll] 2009-05-18
0x06 EVPN (Sub-Types are defined in the "EVPN Extended Community Sub-Types" registry) [RFC 7153]
0x07 FlowSpec Transitive Extended Communities [draft-ietf-idr-flowspec-interfaceset] 2017-03-16
0x08 Flow spec redirect/mirror to IP next-hop [draft-simpson-idr-flowspec-redirect] 2012-09-28
0x09 FlowSpec Redirect to indirection-id Extended Community [draft-ietf-idr-flowspec-path-redirect] 2018-05-18
0x0a Transport Class [draft-ietf-idr-bgp-ct-03] 2020-07-01
0x0b SFC (Sub-Types are defined in the "SFC Extended Community Sub-Types" registry) [RFC 9015] 2020-09-02
0x0c SRv6 MUP Extended Community [draft-mpmz-bess-mup-safi-00] 2022-08-10
0x0d-0x3f Unassigned
0x80 Generic Transitive Extended Community (Sub-Types are defined in the "Generic [RFC 7153][RFC 9184]
Transitive Extended Community Sub-Types" registry)
0x81 Generic Transitive Extended Community Part 2 (Sub-Types are defined in the [RFC 8955][RFC 9184] 2015-08-28
"Generic Transitive Extended Community Part 2 Sub-Types" registry)
0x82 Generic Transitive Extended Community Part 3 (Sub-Types are defined in the [RFC 8955][RFC 9184] 2015-08-28
"Generic Transitive Extended Community Part 3 Sub-Types" registry)
0x83-0x8f Reserved for Experimental Use [RFC 7153] 2012-09-28
0x90-0xbf Unassigned
BGP Non-Transitive Extended Community Types
Reference
[RFC 7153]
Note
This registry contains values of the high-order octet (the "Type"
field) of a Non-transitive Extended Community.
Available Formats
[IMG]
CSV
Range Registration Procedures Note
0x40-0x7f First Come First Served
0xc0-0xcf Reserved for Experimental Use see [RFC 3692]
0xd0-0xff Standards Action
Type Value Name Reference Date
0x40 Non-Transitive Two-Octet AS-Specific Extended Community (Sub-Types are defined in [RFC 7153]
the "Non-Transitive Two-octet AS-Specific Extended Community Sub-Types" registry)
0x41 Non-Transitive IPv4-Address-Specific Extended Community (Sub-Types are defined in [RFC 7153]
the "Non-Transitive IPv4-Address-Specific Extended Community Sub-Types" registry)
0x42 Non-Transitive Four-Octet AS-Specific Extended Community (Sub-Types are defined in [RFC 7153]
the "Non-Transitive Four-octet AS-Specific Extended Community Sub-Types" registry)
0x43 Non-Transitive Opaque Extended Community (Sub-Types are defined in the [RFC 7153]
"Non-Transitive Opaque Extended Community Sub-Types" registry)
0x44 QoS Marking [Thomas_Martin_Knoll] 2008-12-30
0x45-0x46 Unassigned
0x47 FlowSpec Non-Transitive Extended Communities [draft-ietf-idr-flowspec-interfaceset] 2016-03-16
0x48-0x49 Unassigned
0x4a Transport Class [draft-ietf-idr-bgp-ct-03] 2020-07-01
0x4b-0x7f Unassigned
0xc0-0xcf Reserved for Experimental Use [RFC 7153] 2012-09-28
0xd0-0xff Unassigned
EVPN Extended Community Sub-Types
Reference
[RFC 7153]
Note
This registry contains values of the second octet (the "Sub-Type"
field) of an extended community when the value of the first
octet (the "Type" field) is 0x06.
Available Formats
[IMG]
CSV
Range Registration Procedures
0x00-0xbf First Come First Served
0xc0-0xff IETF Review
Sub-Type Value Name Reference Date
0x00 MAC Mobility [RFC 7432] 2012-07-11
0x01 ESI Label [RFC 7432] 2012-07-11
0x02 ES-Import Route Target [RFC 7432] 2012-07-11
0x03 EVPN Router’s MAC Extended Community [RFC 9135] 2014-09-23
0x04 EVPN Layer 2 Attributes [RFC 8214] 2016-05-11
0x05 E-Tree Extended Community [RFC 8317] 2016-05-11
0x06 DF Election Extended Community [RFC 8584] 2016-05-11
0x07 I-SID Extended Community [draft-sajassi-bess-evpn-virtual-eth-segment] 2016-05-11
0x08 ARP/ND Extended Community [RFC 9047] 2017-01-10
0x09 Multicast Flags Extended Community [RFC 9251] 2017-11-06
0x0A EVI-RT Type 0 [RFC 9251] 2017-11-06
0x0B EVI-RT Type 1 [RFC 9251] 2018-06-06
0x0C EVI-RT Type 2 [RFC 9251] 2018-06-06
0x0D EVI-RT Type 3 [RFC 9251] 2018-06-26
0x0E EVPN Attachment Circuit Extended Community [draft-sajassi-bess-evpn-ac-aware-bundling] 2019-01-23
0x0F Service Carving Timestamp [draft-ietf-bess-evpn-fast-df-recovery-01] 2020-05-29
0x10 EVPN Link Bandwidth Extended Community [draft-ietf-bess-evpn-unequal-lb-15] 2022-03-11
0x11-0x14 Unassigned
0x15 RT-derived-EC [draft-zzhang-idr-rt-derived-community-00] 2021-03-09
0x16-0xFF Unassigned
Transitive Two-Octet AS-Specific Extended Community Sub-Types
Reference
[RFC 7153]
Note
This registry contains values of the second octet (the "Sub-Type"
field) of an extended community when the value of the first
octet (the "Type" field) is 0x00.
Available Formats
[IMG]
CSV
Range Registration Procedures
0x00-0xbf First Come First Served
0xc0-0xff IETF Review
Sub-Type Value Name Reference Date
0x00-0x01 Unassigned
0x02 Route Target [RFC 4360]
0x03 Route Origin [RFC 4360]
0x04 Juniper Transitive Link Bandwidth [Jeffrey_Haas] 2023-04-25
0x05 OSPF Domain Identifier [RFC 4577]
0x06 Route Aggregation Parameter [Enke_Chen] 2023-07-31
0x07 Unassigned
0x08 BGP Data Collection [RFC 4384]
0x09 Source AS [RFC 6514]
0x0a L2VPN Identifier [RFC 6074]
0x0b-0x0f Unassigned
0x10 Cisco VPN-Distinguisher [Eric_Rosen] 2012-04-10
0x11-0x12 Unassigned
0x13 Route-Target Record [draft-ietf-bess-service-chaining] 2016-08-29
0x14 Unassigned
0x15 RT-derived-EC [draft-zzhang-idr-rt-derived-community-00] 2021-03-09
0x16-0x7f Unassigned
0x80 Virtual-Network Identifier Extended Community [Manju_Ramesh] 2019-06-19
0x81-0xff Unassigned
Non-Transitive Two-Octet AS-Specific Extended Community Sub-Types
Reference
[RFC 7153]
Note
This registry contains values of the second octet (the "Sub-Type"
field) of an extended community when the value of the first
octet (the "Type" field) is 0x40.
Available Formats
[IMG]
CSV
Range Registration Procedures
0x00-0xbf First Come First Served
0xc0-0xff IETF Review
Sub-Type Value Name Reference Date
0x00-0x03 Unassigned
0x04 Link Bandwidth [draft-ietf-idr-link-bandwidth-07]
0x05-0x7f Unassigned
0x80 Virtual-Network Identifier Extended Community [draft-drao-bgp-l3vpn-virtual-network-overlays] 2015-09-29
0x81-0xff Unassigned
Transitive Four-Octet AS-Specific Extended Community Sub-Types
Reference
[RFC 7153]
Note
This registry contains values of the second octet (the "Sub-Type"
field) of an extended community when the value of the first
octet (the "Type" field) is 0x02.
Available Formats
[IMG]
CSV
Range Registration Procedures
0x00-0xbf First Come First Served
0xc0-0xff IETF Review
Sub-Type Value Name Reference Date
0x00-0x01 Unassigned
0x02 Route Target [RFC 5668]
0x03 Route Origin [RFC 5668]
0x04 Generic (deprecated) [draft-ietf-idr-as4octet-extcomm-generic-subtype]
0x05 OSPF Domain Identifier [RFC 4577]
0x06 Route Aggregation Parameter [Enke_Chen] 2023-07-31
0x07 Unassigned
0x08 BGP Data Collection [RFC 4384]
0x09 Source AS [RFC 6514]
0x0a-0x0f Unassigned
0x10 Cisco VPN Identifier [Eric_Rosen] 2012-04-10
0x11-0x12 Unassigned
0x13 Route-Target Record [draft-ietf-bess-service-chaining] 2016-08-29
0x14 Unassigned
0x15 RT-derived-EC [draft-zzhang-idr-rt-derived-community-00] 2021-03-09
0x16-0xff Unassigned
Non-Transitive Four-Octet AS-Specific Extended Community Sub-Types
Reference
[RFC 7153]
Note
This registry contains values of the second octet (the "Sub-Type"
field) of an extended community when the value of the first
octet (the "Type" field) is 0x42.
Available Formats
[IMG]
CSV
Range Registration Procedures
0x00-0xbf First Come First Served
0xc0-0xff IETF Review
Sub-Type Value Name Reference Date
0x00-0x03 Unassigned
0x04 Generic (deprecated) [draft-ietf-idr-as4octet-extcomm-generic-subtype]
0x05-0xff Unassigned
Transitive IPv4-Address-Specific Extended Community Sub-Types
Reference
[RFC 7153]
Note
This registry contains values of the second octet (the "Sub-Type"
field) of an extended community when the value of the first
octet (the "Type" field) is 0x01.
Available Formats
[IMG]
CSV
Range Registration Procedures
0x00-0xbf First Come First Served
0xc0-0xff IETF Review
Sub-Type Value Name Reference Date
0x00 Unassigned (deprecated) 2014-01-08
0x01 Unassigned
0x02 Route Target [RFC 4360]
0x03 Route Origin [RFC 4360]
0x04 IPv4-Address-Specific IFIT Tail Community [draft-wang-idr-bgp-ifit-capabilities-02] 2021-06-02
0x05 OSPF Domain Identifier [RFC 4577]
0x06 Unassigned
0x07 OSPF Route ID [RFC 4577]
0x08 Unassigned
0x09 Node Target Extended Community [draft-dong-idr-node-target-ext-comm-03] 2021-06-11
0x0a L2VPN Identifier [RFC 6074]
0x0b VRF Route Import [RFC 6514]
0x0c Flow-spec Redirect to IPv4 [draft-ietf-idr-flowspec-redirect] 2016-03-22
0x0d-0x0f Unassigned
0x10 Cisco VPN-Distinguisher [Eric_Rosen] 2012-04-10
0x11 Unassigned
0x12 Inter-Area P2MP Segmented Next-Hop [RFC 7524] 2014-01-08
0x13 Route-Target Record [draft-ietf-bess-service-chaining] 2016-08-29
0x14 VRF-Recursive-Next-Hop-Extended-Community [Dhananjaya_Rao] 2020-08-04
0x15 RT-derived-EC [draft-zzhang-idr-rt-derived-community-00] 2021-03-09
0x16-0x1f Unassigned
0x20 MVPN SA RP-address Extended Community [RFC 9081] 2018-03-26
0x21-0xff Unassigned
Non-Transitive IPv4-Address-Specific Extended Community Sub-Types
Reference
[RFC 7153]
Note
This registry contains values of the second octet (the "Sub-Type"
field) of an extended community when the value of the first
octet (the "Type" field) is 0x41.
Available Formats
[IMG]
CSV
Range Registration Procedures
0x00-0xbf First Come First Served
0xc0-0xff IETF Review
Sub-Type Value Name Reference Date
0x00-0x08 Unassigned
0x09 Node Target Extended Community [draft-dong-idr-node-target-ext-comm-03] 2021-06-11
0x0a-0xff Unassigned
Transitive Opaque Extended Community Sub-Types
Reference
[RFC 7153]
Note
This registry contains values of the second octet (the "Sub-Type"
field) of an extended community when the value of the first
octet (the "Type" field) is 0x03.
Available Formats
[IMG]
CSV
Range Registration Procedures
0x00-0xbf First Come First Served
0xc0-0xff IETF Review
Sub-Type Value Name Reference Date
0x00 Unassigned (deprecated) 2007-02-20
0x01 Cost Community [draft-ietf-idr-custom-decision] 2014-07-15
0x02 Unassigned (deprecated) 2007-02-20
0x03 CP-ORF [RFC 7543] 2014-09-24
0x04 Extranet Source Extended Community [RFC 7900] 2016-04-28
0x05 Extranet Separation Extended Community [RFC 7900] 2016-04-28
0x06 OSPF Route Type [RFC 4577]
0x07 Additional PMSI Tunnel Attribute Flags [RFC 7902] 2016-05-12
0x08 Context Label Space ID Extended Community [draft-ietf-bess-mvpn-evpn-aggregation-label] 2019-01-23
0x09-0x0a Unassigned
0x0b Color Extended Community [RFC 9012]
0x0c Encapsulation Extended Community [RFC 9012]
0x0d Default Gateway [Yakov_Rekhter] 2012-07-10
0x0e Point-to-Point-to-Multipoint (PPMP) Label [Rishabh_Parekh] 2016-01-19
0x0f BGP Group Policy Class Tag Extended Community [Dhananjaya_Rao] 2022-10-26
0x10-0x13 Unassigned
0x14 Consistent Hash Sort Order [draft-ietf-bess-service-chaining] 2016-05-11
0x15-0x16 Unassigned
0x17 Group Policy ID Extended Community [draft-wlin-bess-group-policy-id-extended-community-02] 2022-11-07
0x18-0x1a Unassigned
0x1b Local Color Mapping (LCM) [draft-ietf-idr-bgp-car-01] 2023-03-17
0x18-0xa9 Unassigned
0xaa LoadBalance [draft-ietf-bess-service-chaining] 2017-11-01
0xab-0xff Unassigned
Non-Transitive Opaque Extended Community Sub-Types
Reference
[RFC 7153]
Note
This registry contains values of the second octet (the "Sub-Type"
field) of an extended community when the value of the first
octet (the "Type" field) is 0x43.
Available Formats
[IMG]
CSV
Range Registration Procedures
0x00-0xbf First Come First Served
0xc0-0xff IETF Review
Sub-Type Value Name Reference Date
0x00 BGP Origin Validation State Extended Community [RFC 8097]
0x01 Cost Community [draft-ietf-idr-custom-decision] 2014-07-15
0x02 Route Target [Nischal_Sheth] 2019-05-17
0x03-0x14 Unassigned
0x15 RT-derived-EC [draft-zzhang-idr-rt-derived-community-00] 2021-03-09
0x16-0xff Unassigned
Generic Transitive Extended Community Sub-Types
Reference
[RFC 7153][RFC 9184]
Note
This registry contains values of the second octet (the "Sub-Type"
field) of an extended community when the value of the first
octet (the "Type" field) is 0x80.
Available Formats
[IMG]
CSV
Range Registration Procedures
0x00-0xbf First Come First Served
0xc0-0xff IETF Review
Sub-Type Name Reference Date
Value
0x00 OSPF Route Type [RFC 4577] 2014-08-01
(deprecated)
0x01 OSPF Router ID [RFC 4577] 2014-08-01
(deprecated)
0x02-0x03 Unassigned
0x04 SecurityGroup [Anantharamu_Suryanarayana][https://github.com/Juniper/contrail-controller/wiki/BGP-Extended-Communities#security-group] 2018-10-01
OSPF Domain
0x05 Identifier [RFC 4577] 2014-08-01
(deprecated)
0x06 Flow spec [RFC 8955]
traffic-rate-bytes
Flow spec
traffic-action (Use
0x07 of the "Value" field [RFC 8955]
is defined in the
"Traffic Action
Fields" registry)
Flow spec
0x08 rt-redirect [RFC 8955]
AS-2octet format
0x09 Flow spec [RFC 8955]
traffic-remarking
0x0a Layer2 Info Extended [RFC 4761]
Community
0x0b E-Tree Info [RFC 7796] 2014-11-24
0x0c Flow spec [RFC 8955] 2020-08-05
traffic-rate-packets
0x0d Flow Specification [RFC 9015] 2020-09-02
for SFC Classifiers
0x0e-0x83 Unassigned
0x84 Tag [Anantharamu_Suryanarayana][https://github.com/Juniper/contrail-controller/wiki/BGP-Extended-Communities#tag] 2017-10-30
0x85 Origin Sub-Cluster [Richard_Roberts][https://github.com/robric/wiki-contrail-controller/blob/master/BGP-Extended-Communities.md] 2019-09-03
0x86-0xff Unassigned
Generic Transitive Extended Community Part 2 Sub-Types
Reference
[RFC 8955][RFC 9184]
Note
This registry contains values of the second octet (the "Sub-Type"
field) of an extended community when the value of the first
octet (the "Type" field) is 0x81.
Available Formats
[IMG]
CSV
Range Registration Procedures
0x00-0xbf First Come First Served
0xc0-0xff IETF Review
Sub-Type Value Name Reference Date
0x00-0x07 Unassigned
0x08 Flow spec rt-redirect IPv4 format [RFC 8955] 2015-08-28
0x09-0xff Unassigned
Generic Transitive Extended Community Part 3 Sub-Types
Reference
[RFC 8955][RFC 9184]
Note
This registry contains values of the second octet (the "Sub-Type"
field) of an extended community when the value of the first
octet (the "Type" field) is 0x82.
Available Formats
[IMG]
CSV
Range Registration Procedures
0x00-0xbf First Come First Served
0xc0-0xff IETF Review
Sub-Type Name Reference Date
Value
0x00-0x03 Unassigned
0x04 SecurityGroupAS4 [Anantharamu_Suryanarayana][https://github.com/Juniper/contrail-controller/wiki/BGP-Extended-Communities#security-group] 2018-10-01
0x05-0x07 Unassigned
Flow spec
0x08 rt-redirect [RFC 8955] 2015-08-28
AS-4octet format
0x09-0x83 Unassigned
0x84 Tag4 [Anantharamu_Suryanarayana][https://github.com/Juniper/contrail-controller/wiki/BGP-Extended-Communities#tag] 2018-10-01
0x85 Origin [Richard_Roberts][https://github.com/robric/wiki-contrail-controller/blob/master/BGP-Extended-Communities.md] 2019-09-03
Sub-Cluster4
0x86-0xff Unassigned
Traffic Action Fields
Registration Procedure(s)
IETF Review
Reference
[RFC 8955]
Note
Bit 0 is the most significant, or leftmost bit of the six-byte
field; bit 47 is the least significant, or rightmost bit.
Available Formats
[IMG]
CSV
Bit Name Reference Date
47 Terminal Action [RFC 8955]
46 Sample [RFC 8955]
0-45 Unassigned
Transitive IPv6-Address-Specific Extended Community Types
Registration Procedure(s)
First Come First Served
Reference
[RFC 7153]
Note
This registry contains values of the two high-order octets of an
IPv6-Address-Specific Extended Community.
Available Formats
[IMG]
CSV
Type Value Name Reference Date
0x0000-0x0001 Unassigned
0x0002 Route Target [RFC 5701]
0x0003 Route Origin [RFC 5701]
0x0004 OSPFv3 Route Attributes (deprecated) [RFC 6565]
0x0005 IPv6-Address-Specific IFIT Tail Community [draft-wang-idr-bgp-ifit-capabilities-02] 2021-06-02
0x0006-0x000a Unassigned
0x000b VRF Route Import [RFC 6515][RFC 6514]
0x000c Flow-spec Redirect to IPv6 [draft-ietf-idr-flowspec-redirect-ip] 2016-03-22
0x000d Flow spec rt-redirect-ipv6 format [RFC 8956] 2020-12-14
0x000e-0x000f Unassigned
0x0010 Cisco VPN-Distinguisher [Eric_Rosen] 2012-04-10
0x0011 UUID-based Route Target [Dhananjaya_Rao] 2013-04-30
0x0012 Inter-Area P2MP Segmented Next-Hop [RFC 7524] 2014-01-08
0x0013 Unassigned
0x0014 VRF-Recursive-Next-Hop-Extended-Community [Dhananjaya_Rao] 2020-08-04
0x0015 RT-derived-EC [draft-zzhang-idr-rt-derived-community-00] 2021-03-09
0x0016-0x00ff Unassigned
Non-Transitive IPv6-Address-Specific Extended Community Types
Registration Procedure(s)
First Come First Served
Reference
[RFC 7153]
Note
This registry contains values of the two high-order octets of an
IPv6-Address-Specific Extended Community.
Available Formats
[IMG]
CSV
Type Value Name Reference Date
0x4000-0x40ff Unassigned
Additional PMSI Tunnel Attribute Flags
Registration Procedure(s)
Standards Action
Reference
[RFC 7902]
Available Formats
[IMG]
CSV
Bit Flag Name Reference Date
0-46 Unassigned
47 DCB (TEMPORARY - registered 2019-01-23, extension registered 2023-02-02, [draft-ietf-bess-mvpn-evpn-aggregation-label-09] 2019-01-23
expires 2024-01-23)
EVPN Layer 2 Attributes Control Flags
Registration Procedure(s)
RFC Required
Reference
[RFC 8214]
Available Formats
[IMG]
CSV
Sub-Type Value Name Reference Date
P Advertising PE is the primary PE. [RFC 8214] 2017-06-15
B Advertising PE is the backup PE. [RFC 8214] 2017-06-15
C Control word [RFC 4448] MUST be present. [RFC 8214] 2017-06-15
E-Tree Flags
Registration Procedure(s)
RFC Required
Reference
[RFC 8317]
Available Formats
[IMG]
CSV
Bit Name Reference Date
0-6 Unassigned
7 Leaf-Indication [RFC 8317] 2017-12-05
Layer2 Info Extended Community Control Flags Bit Vector
Registration Procedure(s)
IETF Review
Reference
[RFC 8395]
Available Formats
[IMG]
CSV
Value Name Reference Date
T Request to send a flow label [RFC 8395] 2018-03-29
R Ability to receive a flow label [RFC 8395] 2018-03-29
C Presence of a Control Word [RFC 4761] 2018-03-29
S Sequenced delivery of frames [RFC 4761] 2018-03-29
DF Alg
Registration Procedure(s)
RFC Required
Reference
[RFC 8584]
Available Formats
[IMG]
CSV
Alg Name Reference Date
0 Default DF Election [RFC 8584] 2019-02-01
1 HRW Algorithm [RFC 8584] 2019-02-01
2-30 Unassigned
31 Reserved for Experimental Use [RFC 8584] 2019-02-01
DF Election Capabilities
Registration Procedure(s)
RFC Required
Reference
[RFC 8584]
Available Formats
[IMG]
CSV
Bit Name Reference Date
0 Unassigned
1 AC-DF Capability [RFC 8584] 2019-02-01
2-15 Unassigned
SFC Extended Community Sub-Types
Registration Procedure(s)
First Come First Served
Reference
[RFC 9015]
Note
This registry contains values of the second octet (the "Sub-Type"
field) of an extended community when the value of the first
octet (the "Type" field) is set to 0x0b.
Available Formats
[IMG]
CSV
Sub-Type Value Name Reference Date
0 Reserved [RFC 9015]
1 SFIR Pool Identifier [RFC 9015] 2020-09-02
2 MPLS Label Stack Mixed Swapping/Stacking Labels [RFC 9015] 2020-09-02
3-255 Unassigned
ARP/ND Extended Community Flags
Registration Procedure(s)
Standards Action
Reference
[RFC 9047]
Available Formats
[IMG]
CSV
Flag Position Name Reference Date
0-3 Unassigned
4 Immutable ARP/ND Binding Flag (I) [RFC 9047] 2021-04-09
5 Unassigned
6 Override Flag (O) [RFC 9047] 2021-04-09
7 Router Flag (R) [RFC 9047] 2021-04-09
Multicast Flags Extended Community
Registration Procedure(s)
First Come First Served
Reference
[RFC 9251]
Available Formats
[IMG]
CSV
Bit Name Reference Change Controller
0-4 Unassigned
5 SEMG (Seamless Interop EVPN Multicast Gateway) [draft-ietf-bess-evpn-mvpn-seamless-interop-03] IETF
6 EVPN/MVPN Seamless Interop Supported [draft-ietf-bess-evpn-mvpn-seamless-interop-03] IETF
7 SBD [draft-ietf-bess-evpn-irb-mcast-06] IETF
8 Segmentation Support [RFC-ietf-bess-evpn-bum-procedure-updates-14] IETF
9 IPMG [draft-ietf-bess-evpn-irb-mcast-06] IETF
10 MEG [draft-ietf-bess-evpn-irb-mcast-06] IETF
11 PEG [draft-ietf-bess-evpn-irb-mcast-06] IETF
12 OISM-supported [draft-ietf-bess-evpn-irb-mcast-06] IETF
13 Extended-MH-AR [draft-ietf-bess-extended-evpn-optimized-ir-01] IETF
14 MLD Proxy Support [RFC 9251] IETF
15 IGMP Proxy Support [RFC 9251] IETF
Contact Information
ID Name Contact URI Last Updated
[Anantharamu_Suryanarayana] Anantharamu Suryanarayana mailto:anantharamu&gmail.com 2018-10-01
[Dhananjaya_Rao] Dhananjaya Rao mailto:dhrao&cisco.com 2022-10-26
[Enke_Chen] Enke Chen mailto:enchen&paloaltonetworks.com 2023-07-31
[Eric_Rosen] Eric Rosen mailto:erosen&cisco.com 2012-04-10
[Jeffrey_Haas] Jeffrey Haas mailto:jhaas&juniper.net 2023-04-25
[Nischal_Sheth] Nischal Sheth mailto:nischal.sheth&gmail.com 2019-05-17
[Manju_Ramesh] Manju Ramesh mailto:manjrame&cisco.com 2019-06-19
[Richard_Roberts] Richard Roberts mailto:rroberts&juniper.net 2019-09-03
[Rishabh_Parekh] Rishabh Parekh mailto:rishabhp&gmail.com 2016-01-19
[Thomas_Martin_Knoll] Thomas Martin Knoll mailto:thomas.m.knoll&gmail.com 2015-01-25
[Yakov_Rekhter] Yakov Rekhter mailto:yakov&juniper.net 2012-07-10
Licensing Terms
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